it just hit us. a red acura. >> reporter: the 911 caller you're hearing is nicholas flanagan, riding with his friend, jessica ratliff, and four children in a minivan. he said his car was intentionally hit by another motorist. >> we have a van full of kids. he's coming up on the side of us again. >> reporter: but at the same moment, 911 dispatchers are getting another call. the driver of that acura, scott van patter, claiming he's the one that's just been hit. >> i just got sideswiped by a van. >> reporter: dispatch tells both drivers to stop at a nearby shopping center parking lot and wait for police to arrive. >> all right. >> okay. i do have a conceal and carry. >> reporter: that's van patter telling the operator he has a licensed concealed firearm. but when the two cars stop, the confrontation erupts. >> he's got a gun. he's got a gun. >> what the [ bleep ]. >> you hit us. >> you hit me. >> the guy had his keys in his hand. and he had a key out, stabbing me with it. i have numerous marks on my rig